6655500288 has 84 divisors (see below), whose sum is σ = 19226040288. Its totient is φ = 2218475520.

The previous prime is 6655500287. The next prime is 6655500347. The reversal of 6655500288 is 8820055566.

6655500288 is a `hidden beast` number, since 6 + 65 + 5 + 500 + 2 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655500287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28593 + ... + 118863.

It is an arithmetic number, because the mean of its divisors is an integer number (228881432).

Almost surely, 2^6655500288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6655500288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9613020144).

6655500288 is an abundant number, since it is smaller than the sum of its proper divisors (12570540000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6655500288 is an equidigital number, since it uses as much as digits as its factorization.

6655500288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90303 (or 90276 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 6655500288 is about 81581.2496104344. The cubic root of 6655500288 is about 1881.0206740722.

The spelling of 6655500288 in words is "six billion, six hundred fifty-five million, five hundred thousand, two hundred eighty-eight".